Joshua Mutuku

Key Skills

Software

Mercor

Other

Top Subject Matter

General AI/Image Classification

General Image & Text for AI models

Product Images/AI Model Outputs

Top Data Types

Image

Video

Text

Document

Top Task Types

Classification

Emotion Recognition

Freelancer Overview

AI Content Reviewer & LLM Evaluator. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier, Fiverr, and Mercor. Education includes Master of Science, Jomo Kenyatta University of Agriculture and Technology (2023) and Bachelor of Science, Arizona State University (2017). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Data Writer & Annotation Specialist

TextClassification

As an AI Data Writer & Annotation Specialist, I performed text annotation tasks including categorization, rewriting, summarization, and sentiment analysis. I improved and cleaned datasets by providing feedback and correcting mislabeled entries. I used Python and Excel for quality assurance and documentation. • Executed structured labeling and metadata tagging tasks. • Conducted large-scale dataset consistency checks. • Improved content clarity and dataset quality. • Maintained high client satisfaction and accuracy scores.

As an AI Data Writer & Annotation Specialist, I performed text annotation tasks including categorization, rewriting, summarization, and sentiment analysis. I improved and cleaned datasets by providing feedback and correcting mislabeled entries. I used Python and Excel for quality assurance and documentation. • Executed structured labeling and metadata tagging tasks. • Conducted large-scale dataset consistency checks. • Improved content clarity and dataset quality. • Maintained high client satisfaction and accuracy scores.

2024 - 2025

AI Content Reviewer & LLM Evaluator

Text

In this role, I evaluated and reviewed AI-generated text for accuracy, clarity, and adherence to instructions. I developed prompts and questions to guide model output across multiple training scenarios. My responsibilities included identifying factual errors and providing structured feedback for dataset improvement. • Evaluated reasoning, tone, and instruction-following in AI texts. • Produced written and video responses for multimodal AI datasets. • Ensured quality, consistency, and on-time task completion. • Identified and reported areas for model improvement.

In this role, I evaluated and reviewed AI-generated text for accuracy, clarity, and adherence to instructions. I developed prompts and questions to guide model output across multiple training scenarios. My responsibilities included identifying factual errors and providing structured feedback for dataset improvement. • Evaluated reasoning, tone, and instruction-following in AI texts. • Produced written and video responses for multimodal AI datasets. • Ensured quality, consistency, and on-time task completion. • Identified and reported areas for model improvement.

2024 - 2025

AI Evaluation & Content Quality Specialist

MercorText

I generated written responses and performed structured reviews of AI-generated content for coherence and accuracy. I created prompts and instructions to guide annotation and reflected actual user needs. My role involved large-scale validation spanning text, image, and product datasets while upholding high compliance standards. • Reviewed and rated textual content on coherence and depth. • Designed realistic task instructions and prompts. • Validated large datasets for errors and compliance. • Ensured strict quality and accuracy across multiple data modalities.

I generated written responses and performed structured reviews of AI-generated content for coherence and accuracy. I created prompts and instructions to guide annotation and reflected actual user needs. My role involved large-scale validation spanning text, image, and product datasets while upholding high compliance standards. • Reviewed and rated textual content on coherence and depth. • Designed realistic task instructions and prompts. • Validated large datasets for errors and compliance. • Ensured strict quality and accuracy across multiple data modalities.

2024 - 2024

Education

Work History